A. R. (d. i. Ralf Winkler) Penck is an artist with 20 auction lots recorded since 2006.
| Title | Date | House | Price |
|---|---|---|---|
| Stele | 2007-10-27 | Kettererkunst | EUR 6,000 |
| Ohne Titel | 2007-10-27 | Kettererkunst | EUR 28,800 |
| Ohne Titel (Skorpion, Schlange, Vogel) | 2007-09-01 | Kettererkunst | EUR 1,020 |
| Ohne Titel | 2007-07-07 | Kettererkunst | EUR 240 |
| Liebespaar | 2007-07-07 | Kettererkunst | EUR 576 |